Compressing and fixing device of circuit board

The utility model discloses a compressing and fixing device for a circuit board, which comprises a mounting seat and a protective assembly, a placing plate for placing the circuit board is fixedly arranged in the middle of the top side of the mounting seat, the mounting seat is of a C-shaped structure, the protective assembly comprises control panels, and the control panels are slidably mounted at two ends of the side wall of the mounting seat. A connecting seat is movably mounted at the bottom of the end, away from the mounting seat, of the control panel, a guide column is slidably mounted at the top of the connecting seat, the bottom of the guide column penetrates through the connecting seat and is fixedly provided with a fixing head, the fixing head is of a disc-shaped structure, and an elastic part is fixedly connected between the top side of the fixing head and the bottom side of the connecting seat. Through cooperative use of the devices, the pressed position of the circuit board can be buffered and pro